- Family: Arecaceae Bercht. & J.Presl
- Genus: Nenga H.Wendl. & Drude
- Species: Nenga pumila (Blume) H.Wendl.
Nenga pumila var. pachystachya (Blume) Fernando
- Species: Nenga pumila (Blume) H.Wendl.
- Genus: Nenga H.Wendl. & Drude
[PW]
- Vernacular
- Kache (Thailand); Rasau, Pinang horaiung (Borneo); Keredan, Pinang muring (Malay Peninsula); Pinang unoo (Singapore); Kajoe djambe (Sumatra).
- Distribution
- S. Thailand, Malay Peninsula, Singapore, Sumatra, Bangka, and Borneo
- Biology
- Along the landward edge of mangrove or in dense humid Dipterocarp forest on hillslopes or river valleys, also in heath forest on sandstone or granitic sand, to ca. 1,100 m alt.
- General Description
- Caespitose, slender to moderate palm with stems sometimes stilt-rooted at the base, ca. 3-5 m long, (2) 3-6 (8) cm diam.; internodes to ca. 10 cm long, smooth, bright green to brown. Crownshaft elongate, cylindrical, ca. 35-80 cm long, only slightly swollen. Leaves to 7 in crown, leaf sheath ca. 25-60 cm long, pale green to greenish or yellowish-white; petiole ca. 4-50 cm long, to 1.5 cm diam. Leaflets to 30 on each side of the rachis, often drying dull reddish-brown; basal leaflets 1 costate, ca. 25-40 X 0.5-1.0 cm, long-acuminate; middle leaflets 2-3 costate, rarely 4 or 5 costate, ca. 35-70 X 2-4 (5) cm, long-acuminate; terminal leaflet pair 3-6 costate, rarely to 10 costate, ca. 20-40 X (1.5) 2-2.5 (4) cm, acuminate or slightly toothed at tips, sometimes joined to 4 cm at the base along the rachis, rarely more. Inflorescence infrafoliar, pendulous; prophyll ensiform or lanceolate, ca. (18) 20-25 (70) X 1.5-3.0 cm, drying chestnut-brown, caducous; peduncle ca. 1.5-3.0 (4) X 0.4-1.3 cm, flattened, glabrous; peduncular bract triangular to narrowly triangular, acuminate, ca. 8-15 X 8-10 mm, membranous; rachilla 2-4, usually 3, rarely to 6, ca. (15) 20-35 (50) cm long, to 6 mm thick, each subtended by a membranous triangular bract to 10 mm long. Staminate flower triangular, asymmetric, flexuous; sepals subequal, linear-subulate or very narrowly lanceolate, dorsally carinate, very flexuous, ca. 9-13 (20) mm long; petals elliptic to lanceolate, acuminate, straight to subfalcate, much shorter than sepals, ca. 5-7 (9) X 2-2.5 mm; filaments 1-2 mm long; anthers erect, linear, ca. 1.52 mm long, sagittate at base; pistillode conical, minute. Pistillate flower ovoid to subglobose, shorter than the staminate flower; sepals ca. 3-4 mm X 4 mm, petals as the sepals, or sometimes only slightly smaller; ovary ovoid to spherical, to 1.5 mm X 2 mm; stigma distinctly 3-lobed; staminodes indistinct. Infructescence pendulous, branches densely covered with fruits. Fruit ripening brick-red, oblong to oblong-ovoid or ovoid-ellipsoid, ca. (2) 2.43 X 1-1.5 (1.8) cm, beaked, tipped with a prominent 3-lobed stigma to 2 mm high, the lobes erect; epicarp often drying with shallow dimples. Seed broadly ovoid, ca. 10-15 mm X 7-9 mm, acuminate to spinescent at tip, base rounded-truncate, shallowly concave-intruded.
Native to:
Borneo, Malaya, Sumatera, Thailand
Nenga pumila var. pachystachya (Blume) Fernando appears in other Kew resources:
| Date | Reference | Identified As | Barcode | Type Status |
|---|---|---|---|---|
| Oct 10, 2001 | Loo, A.H.B. [304], Singapore | K000525038 | ||
| Jul 21, 2000 | Maung Soe Paing [BRUN15190], Brunei | K000113155 | ||
| Sep 3, 1981 | Beccari, O. [942], Sumatera | K000697856 | isotype | |
| Sep 3, 1981 | Beccari, O. [942], Sumatera | K000697857 | isotype | |
| Smith, G. [GC29], Thailand | 53708.000 | |||
| Smith, G. [GC58], Thailand | 53725.000 | |||
| Smith, G. [GC74], Thailand | 53726.000 | |||
| Smith, G. [GC58], Thailand | 53731.000 | |||
| Smith, G. [GC 32], Thailand | 59962.000 | |||
| Smith, G. [GC 44], Thailand | 59966.000 | |||
| Smith, G. [GC 59], Thailand | 59971.000 | |||
| Smith, G. [GC 89], Thailand | 63001.000 | |||
| Smith, G. [GC 33], Thailand | 63003.000 |
First published in Principes 27: 61 (1983)
Accepted by
- Barfod, A.S. & Dransfield, J. (2013). Flora of Thailand 11(3): 323-498. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.
- Henderson, A. (2009). Palms of Southern Asia: 1-197. Princeton university press, Princeton and Oxford.
- Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.
Literature
Palmweb - Palms of the World Online
- E.S. Fernando, A Revision of the Genus Nenga. 1983
Herbarium Catalogue Specimens
'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
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Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0
Palmweb - Palms of the World Online
Palmweb 2011. Palmweb: Palms of the World Online. Published on the internet http://www.palmweb.org. Accessed on 21/04/2013
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